| 摘要 |
PROBLEM TO BE SOLVED: To provide a charger for electric tool including a fuel cell, that can also supply power even to an electrical apparatus other than a battery pack for electric tool.SOLUTION: A charger 2 includes a battery pack charging control circuit 22 that charges a battery pack for electric tool by receiving power supply from a fuel cell 14, and a USB output control circuit 24 for supplying power to a USB apparatus by receiving power supply from the fuel cell 14. When the battery pack for electric tool is connected with a battery pack charging terminal 10, or a USB apparatus is connected with a USB output terminal 12, a control unit 30 supplies fuel to the fuel cell 14 via a fuel adjustment unit 18, so as to generate DC power therefrom. |
